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Yeah, you def get to this point of too much analysis, at least for me. Some might push for other definitions of stability, but I think this one has meaning and that there are many different type of "stability". The idea would be to have some "stability" metric that people can compare instead of looking at all these variable independently. It is still "complex" with 5 variables, but all the variable are currently available in the comparator (i.e., camber, ski length, bending stiffness, sidecut radius and edge angle). However, you can use a simpler equation to describe what is going on.
HOW TO MEASURE SKI EDGE ANGLE FULL
It is a relatively simple concept to understand and you can use a full finite element model of the ski to calculate it. Y There are much more complicated things! One exemple is the directional stability ( ). I do not like damping (and I think it has little effect)! :-) Designers are typically avoiding building ski like that.ĭamping also varies with temperature. If the layup is not balanced above and below the wood core, then its camber/rocker will change with temperature. If a ski has A LOT of ABS you might see different results.Ĭamber changes because the different materials have different coefficient of dilatation. Please share your analysis so that we can discuss it and improve.Ĭhange of camber and stiffness has been studied here: īasically, the stiffness of a ski doesn't change much with temperature because the stiffness of fiberglass, carbon fiber and titanal doesn't change much with temperature, and these are the main contributor to a ski stiffness. I am really curious to see how you guys are interpreting the data.
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There are much more complicated things! One exemple is the directional stability ( ). I do think it is possible to consider most of the important variables. There is just a lot to talk about, maybe more than I am willing to type here. Yeah, I didn't mean to say that you didn't think about all that. I've been wondering if the smoothness in the hybrid core was down to it being more compliant torsionally, but that doesn't seem to be the case at all compared to say the Atris - which is very, very interesting.Īgain, thanks for your awesome replies - it takes a lot of time to write so detailed replies which is most appreciated - and the awesome database! I really, really appreciate the work that you guys put into this! I had one more point I was going to make here, but forgot it - too tired.Īs for the MFree - I am very curious how that construction being so ABS influenced responds to colder temperatures compared to a more "standard" construction, or different wood types or titanal.
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Overdoing the focus on a mm there or a gram there could detract from the main benefit of these data as I see it, good enough approximations to understand how a ski will ski. I also get that it is a tool that can be used incorrectly, like when people look at tech bindings and solely focus on weight. Hell, as long as the measurements are standardized then it is an incredibly helpful tool in trying to get these insights. So I am very much supportive of an approximation that is good enough, that is - that gives an overall understanding of the ski, where experienced ski enthusiasts like us can infer how said ski will ski based on the parameters you choose, the materials in the ski and the terrain we ski.
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I do get all of the variables that you mention and fully agree that reflecting all is not only impossible, but kinda meaningless as the variance in production and/or temperature on the materials / how they feel in use is just too great - completely leaving snowpack or skier weight / ability level considerations to one side.